CVE-2021-24817

5.4 mediumEPSS 0.6%

Medium (5.4) in ultimate nofollow project ultimate nofollow. EPSS 0.6% chance of exploitation in the next 30 days.

The Ultimate NoFollow WordPress plugin through 1.4.8 does not sanitise and escape the href attribute of its shortcodes, allowing users with a role as low as contributor to perform Cross-Site Scripting attacks

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 49% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-12-13
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ultimate_nofollow_project:ultimate_nofollow

References

https://wpscan.com/vulnerability/ccb27d2e-2d2a-40d3-ba7e-bcd5e5012a9a
https://wpscan.com/vulnerability/ccb27d2e-2d2a-40d3-ba7e-bcd5e5012a9a

Check your stack JSON